<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Service
 * @subpackage Technorati
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: BlogInfoResult.php 18951 2009-11-12 16:26:19Z alexander $
 */


/**
 * @see Zend_Service_Technorati_Utils
 */
require_once 'Zend/Service/Technorati/Utils.php';


/**
 * Represents a single Technorati BlogInfo query result object.
 *
 * @category   Zend
 * @package    Zend_Service
 * @subpackage Technorati
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Service_Technorati_BlogInfoResult
{
	/**
	 * Technorati weblog url, if queried URL is a valid weblog.
	 *
	 * @var     Zend_Uri_Http
	 * @access  protected
	 */
	protected $_url;

	/**
	 * Technorati weblog, if queried URL is a valid weblog.
	 *
	 * @var     Zend_Service_Technorati_Weblog
	 * @access  protected
	 */
	protected $_weblog;

	/**
	 * Number of unique blogs linking this blog
	 *
	 * @var     integer
	 * @access  protected
	 */
	protected $_inboundBlogs;

	/**
	 * Number of incoming links to this blog
	 *
	 * @var     integer
	 * @access  protected
	 */
	protected $_inboundLinks;


	/**
	 * Constructs a new object object from DOM Document.
	 *
	 * @param   DomDocument $dom the ReST fragment for this object
	 */
	public function __construct(DomDocument $dom)
	{
		$xpath = new DOMXPath($dom);
		/**
		 * @see Zend_Service_Technorati_Weblog
		 */
		require_once 'Zend/Service/Technorati/Weblog.php';

		$result = $xpath->query('//result/weblog');
		if ($result->length == 1) {
			$this->_weblog = new Zend_Service_Technorati_Weblog($result->item(0));
		} else {
			// follow the same behavior of blogPostTags
			// and raise an Exception if the URL is not a valid weblog
			/**
			 * @see Zend_Service_Technorati_Exception
			 */
			require_once 'Zend/Service/Technorati/Exception.php';
			throw new Zend_Service_Technorati_Exception(
                "Your URL is not a recognized Technorati weblog");
		}

		$result = $xpath->query('//result/url/text()');
		if ($result->length == 1) {
			try {
				// fetched URL often doens't include schema
				// and this issue causes the following line to fail
				$this->_url = Zend_Service_Technorati_Utils::normalizeUriHttp($result->item(0)->data);
			} catch(Zend_Service_Technorati_Exception $e) {
				if ($this->getWeblog() instanceof Zend_Service_Technorati_Weblog) {
					$this->_url = $this->getWeblog()->getUrl();
				}
			}
		}

		$result = $xpath->query('//result/inboundblogs/text()');
		if ($result->length == 1) $this->_inboundBlogs = (int) $result->item(0)->data;

		$result = $xpath->query('//result/inboundlinks/text()');
		if ($result->length == 1) $this->_inboundLinks = (int) $result->item(0)->data;

	}


	/**
	 * Returns the weblog URL.
	 *
	 * @return  Zend_Uri_Http
	 */
	public function getUrl() {
		return $this->_url;
	}

	/**
	 * Returns the weblog.
	 *
	 * @return  Zend_Service_Technorati_Weblog
	 */
	public function getWeblog() {
		return $this->_weblog;
	}

	/**
	 * Returns number of unique blogs linking this blog.
	 *
	 * @return  integer the number of inbound blogs
	 */
	public function getInboundBlogs()
	{
		return (int) $this->_inboundBlogs;
	}

	/**
	 * Returns number of incoming links to this blog.
	 *
	 * @return  integer the number of inbound links
	 */
	public function getInboundLinks()
	{
		return (int) $this->_inboundLinks;
	}

}
